How to remove and install the heater and air conditioning control unit on Kia Optima?

Disconnect the negative cable from the battery. Remove the center trim panel. Remove the screws that secure the A/C Switch to the center trim panel and remove the A/C Switch. Installation is the reverse of removal. Run the engine and check for proper functioning of the heater and air conditioning.

Genuine Kia Optima A/C Switch

Air Conditioning Switch

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41 A/C Switches found

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Kia Optima Switch Assembly-Blower
Part Number: 972693C000
$35.01 MSRP: $50.52
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Product Specifications
- Other Name: Blower Motor Switch
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Pad U
Part Number: 97250D5AA0WK
$693.10 MSRP: $1022.27
You Save: $329.17 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2019-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502T111CA
$628.92 MSRP: $927.62
You Save: $298.70 (33%)
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Product Specifications
- Other Name: Control Assembly-Heater; Control Switch, Dash Control Unit, Heater Control
- Replaces: 972502T110CA
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972503C600
$537.51 MSRP: $792.78
You Save: $255.27 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Replaces: 972503C650
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Heater Control Assembly
Part Number: 972503C650
$554.16 MSRP: $792.78
You Save: $238.62 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater
- Replaced by: 972503C600
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Heater Control Assembly
Part Number: 972502T110CA
$648.40 MSRP: $927.62
You Save: $279.22 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater
- Replaced by: 972502T111CA
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502G300K1
$791.42 MSRP: $1167.28
You Save: $375.86 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Manufacturer Note: INT;J7
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502G300K2
$791.42 MSRP: $1167.28
You Save: $375.86 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502G301K1
$791.42 MSRP: $1167.28
You Save: $375.86 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | 2.4L - Theta FF, 2.7L - MU | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502G301K2
$791.42 MSRP: $1167.28
You Save: $375.86 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | 2.4L - Theta FF, 2.7L - MU | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972503C500
$1147.56 MSRP: $1641.72
You Save: $494.16 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater
- Replaces: 972503C500CA
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Heater Control Assembly
Part Number: 972502G000K1
$333.87 MSRP: $488.97
You Save: $155.10 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Manufacturer Note: INT;J7
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502T510CA
$367.89 MSRP: $538.80
You Save: $170.91 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972503C050
$382.56 MSRP: $560.28
You Save: $177.72 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit
- Replaces: 972503C500KW
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Heater Control Assembly
Part Number: 972503C150
$388.02 MSRP: $568.28
You Save: $180.26 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Heater Control Assembly
Part Number: 972502T100CA
$526.93 MSRP: $777.18
You Save: $250.25 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502TNN0
$543.25 MSRP: $777.18
You Save: $233.93 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater
- Replaced by: 972502TNN1
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2014-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Heater Control Assembly
Part Number: 972502TQN0
$526.93 MSRP: $777.18
You Save: $250.25 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2014-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Heater Control Assembly
Part Number: 97250D5500WK
$493.97 MSRP: $728.57
You Save: $234.60 (33%)
Product Specifications
- Other Name: Control Assembly-Heater; Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2016-2018 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Heater Control Assembly
Part Number: 972502G000K2
Product Specifications
- Other Name: Control Assembly-Heater; Dash Control Unit, Heater Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P

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Kia Optima A/C Switch

The Kia Optima A/C Switch takes control of the cabin's climate from the driver, giving them instant power over the entire chain of cooling or heating, becoming the on/off gate that activates the whole chain. Mounted in the dash of every Kia, tied to the climate control module, the A/C Switch sends electrical cues to relays that power the compressor clutch, blower motor, and sensors, so one tap starts or stops the flow of refrigerant and changes the speed of the fans within the Optima interior. Early Optima versions had a basic three-speed A/C Switch that simply closed a circuit to provide a choice between cold or hot air in coarse steps selected by the driver. Later Kia upgrades took the form of automatic temperature control, which combines a variable resistance A/C Switch with a power module that can interpret the cabin and outside readings and then vary blower output in countless combinations for steadier comfort and reduced fuel use. A notable difference is precision, where the modern Optima system will fine-tune the amount of airflow with no more button presses, whereas the original Kia design relied on fixed detents, but both rely on the same trusted A/C Switch authorizing each and every cycle.

If you're in search of top-notch, reasonably priced OEM Kia Optima A/C Switch, then you've found the perfect spot. Our website boasts an extensive inventory of Kia Optima A/C Switch, all priced at the market's premier price. Rest assured, every genuine part we offer comes with a warranty straight from the manufacturer.

Kia Optima A/C Switch Parts Questions & Experts Answers

Heater Control Assembly
972502G301K2
Q: How to remove and install the heater and air conditioning control unit on Kia Optima?
A:
Disconnect the negative cable from the battery. Remove the center trim panel. Remove the screws that secure the A/C Switch to the center trim panel and remove the A/C Switch. Installation is the reverse of removal. Run the engine and check for proper functioning of the heater and air conditioning.